TY - JOUR T1 - Two-photon absorption processes in semiconductor quantum dots JO - Brazilian Journal of Physics A1 - López Gondar, J. A1 - Cipolatti, R. A1 - Marques, G. E. SN - 0103-9733 UL - 10.1590/S0103-97332006000600043 VL - 36 Y1 - 2006 PB - Brasil ER -